{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,17]],"date-time":"2026-10-17T03:42:37Z","timestamp":1792208557264,"version":"4.4.0"},"reference-count":112,"publisher":"Wiley","license":[{"start":{"date-parts":[[2026,10,16]],"date-time":"2026-10-16T00:00:00Z","timestamp":1792108800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,10,16]],"date-time":"2026-10-16T00:00:00Z","timestamp":1792108800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["nph.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["New Phytologist"],"abstract":"<jats:title>Summary<\/jats:title>\n                  <jats:p>Enhancing crop yields depends on translating fundamental plant biology concepts into practical agricultural solutions\u2009\u2013\u2009a critical challenge for global food security. Although breeding has historically prioritized yield and stability, the mechanisms underlying variation in key reproductive traits\u2009\u2013\u2009particularly those determining male fitness\u2009\u2013\u2009remain largely overlooked. Pollen quantity (grain number) and quality (the ability of a pollen grain to survive, germinate, and sire vigorous offspring) are central to yield and seed quality, yet their biological determinants are rarely integrated into breeding programs. Here, we present a conceptual framework showing how processes such as microspore development, plant aging, and resource allocation\u2009\u2013\u2009shaped by genetic and environmental factors\u2009\u2013\u2009generate predictable variation in pollen traits. Rather than reflecting stochastic noise, this variation emerges from coordinated developmental and physiological mechanisms acting across scales, from anther structure to whole\u2010plant resource dynamics and aging. We argue that crop science must shift from a fragmented, gene\u2010centered perspective\u2009\u2013\u2009which relies on phenomenological statistical models such as quantitative trait loci mapping\u2009\u2013\u2009toward a systemic approach that integrates genes with development, physiology, and the environment to understand variation in pollen quantity and quality. This shift will enable the implementation of targeted strategies to enhance crop yield through male function.<\/jats:p>","DOI":"10.1111\/nph.71655","type":"journal-article","created":{"date-parts":[[2026,10,17]],"date-time":"2026-10-17T03:31:06Z","timestamp":1792207866000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Unpacking the origins of among\u2010 and within\u2010individual variation in pollen quantity and quality: implications for crop yield and breeding"],"prefix":"10.1111","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-8237-7746","authenticated-orcid":false,"given":"Marina Micaela","family":"Strelin","sequence":"first","affiliation":[{"name":"Laboratorio de Ecolog\u00eda Evolutiva y Biolog\u00eda Floral Instituto Multidisciplinario de Biolog\u00eda Vegetal (CONICET\u2010Universidad Nacional de C\u00f3rdoba)  C\u00f3rdoba X5000OPB C\u00f3rdoba Argentina"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9079-9749","authenticated-orcid":false,"given":"Marcelo Adri\u00e1n","family":"Aizen","sequence":"additional","affiliation":[{"name":"Grupo de Investigaci\u00f3n en Ecolog\u00eda de la Polinizaci\u00f3n, Laboratorio Ecotono INIBIOMA (CONICET \u2013 Universidad Nacional del Comahue)  Bariloche R8400GAO R\u00edo Negro Argentina"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,10,16]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"crossref","first-page":"57","DOI":"10.1093\/aob\/mcae076","article-title":"Anthropogenic land\u2010use change decreases pollination and male and female fitness in terrestrial flowering plants","volume":"135","author":"Aguilar R","year":"2025","journal-title":"Annals of Botany"},{"key":"e_1_2_8_3_1","doi-asserted-by":"crossref","DOI":"10.3389\/fpls.2025.1457812","article-title":"A high\u2010density linkage map and fine QTL mapping of architecture, phenology, and yield\u2010related traits in faba bean (Vicia faba L.)","volume":"16","author":"Aguilar\u2010Benitez D","year":"2025","journal-title":"Frontiers in Plant Science"},{"key":"e_1_2_8_4_1","doi-asserted-by":"crossref","first-page":"271","DOI":"10.1890\/06-1017","article-title":"Expanding the limits of the pollen\u2010limitation concept: effects of pollen quantity and quality","volume":"88","author":"Aizen MA","year":"2007","journal-title":"Ecology"},{"key":"e_1_2_8_5_1","doi-asserted-by":"crossref","first-page":"2133","DOI":"10.1890\/0012-9658(1998)079[2133:FSDAPG]2.0.CO;2","article-title":"Flowering\u2010shoot defoliation affects pollen grain size and postpollination pollen performance in Alstroemeria aurea","volume":"79","author":"Aizen MA","year":"1998","journal-title":"Ecology"},{"key":"e_1_2_8_6_1","doi-asserted-by":"crossref","first-page":"227","DOI":"10.1086\/297244","article-title":"Does pollen viability decrease with aging? 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